Structure of PDB 7dr2 Chain aB

Receptor sequence
>7dr2aB (length=706) Species: 2762 (Cyanophora paradoxa) [Search protein sequence]
GTKFPKASQALAQDPTTRRIWYGIATANDFETNDGITEENLYQKIFASHF
GHLAIIFLWTSGNLFHVAWQGNFEQWVKDPLNTRPIAHAISDPHFGQRAI
EAFSQAGASSPVNISYSGVYQWWYTQGMRTNEELYNGAIFLLILSALSLF
AGWLHLQPKFRPNLSWFKNAESRLNHHLGGLFGTSSLAWTGHIVHVAIPE
SRGQHVGWDNFLQVAPHPAGLQPFFTGNWGVYTENPDTANHVFGSSDGAG
TAILTFLGGFHPQTQSLWLTDIAHHHLAIAVLFIVAGHMYGLYDTVNNSL
HFQLGLALAALGVITSLVAQHMYSIPPYAYLARDFTTQAALYTHHQYIAG
FLMVGAFAHGAIFLVRDYDAEQNKNNVLARIIDHKEAIISHLSWVSLFLG
FHTLGLYVHNDVVQAFGTPEKQILIEPVFAQWIQSVHGKSLYGFEVLLNN
ADSITRVAPGSAQPIWLPGWLDAINSGNNSLFLTIGPGDFLVHHAIALGL
HTTTLILVKGALDARGSKLMPDKKDFGYSFPCDGPGRGGTCDISAWDAFY
LAVFWMLNTIGWTTFYWHWKHLGVWQGNVAQFNESSTYLMGWFRDYLWLN
SSQLINGYNPFGMNNLSVWAWMFLFGHLIWATGFMFLISWRGYWQELIET
LVWAHERTPLANLVRWKDKPVALSIVQARLVGLAHFAVGYIVTYAAFLIA
STASKF
3D structure
PDB7dr2 Structural insights into an evolutionary turning-point of photosystem I from prokaryotes to eukaryotes
ChainaB
Resolution3.8 Å
3D
structure
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Enzymatic activity
Enzyme Commision number 1.97.1.12: photosystem I.
Interaction with ligand
Site
#		 Ligand Ligand
chain		 Binding residues on receptor
(original residue number in PDB)		 Binding residues on receptor
(residue number reindexed from 1)		 Binding affinity
BS01 peptide aB K7 F66 A69 W70 Y136 I140 L143 A147 L150 F151 W154 L157 Q158 K6 F65 A68 W69 Y135 I139 L142 A146 L149 F150 W153 L156 Q157
BS02 CL0 aB F623 L627 W628 F593 L597 W598
BS03 CLA aB W651 L654 F655 L658 W660 A661 W621 L624 F625 L628 W630 A631
BS04 CLA aB S426 L427 G430 F584 W585 S396 L397 G400 F554 W555
BS05 CLA aB R687 T688 P689 R657 T658 P659
BS06 CLA aB S420 S423 W424 S390 S393 W394
BS07 CLA aB L681 H685 L651 H655
BS08 SF4 aB C562 G564 P565 C571 W670 I705 C532 G534 P535 C541 W640 I675
BS09 CLA aB A525 W592 F595 W622 L627 S631 F653 H657 W660 Y720 T723 Y724 F727 A495 W562 F565 W592 L597 S601 F623 H627 W630 Y690 T693 Y694 F697
BS10 CLA aB W585 N588 W592 L619 F623 W555 N558 W562 L589 F593
BS11 CLA aB A661 F664 M665 Y673 W674 A631 F634 M635 Y643 W644
BS12 CLA aB I25 A28 N29 F31 I24 A27 N28 F30
BS13 CLA aB F31 I46 S49 H50 H53 L330 Q333 L334 A337 F30 I45 S48 H49 H52 L300 Q303 L304 A307
BS14 CLA aB H53 I56 I57 W60 F381 L382 H52 I55 I56 W59 F351 L352
BS15 CLA aB L59 G63 F66 H67 W70 Q71 A90 L58 G62 F65 H66 W69 Q70 A89
BS16 CLA aB N64 A88 H89 N114 S116 Y117 S118 W649 N63 A87 H88 N113 S115 Y116 S117 W619
BS17 CLA aB I91 S92 D93 H95 F96 V648 I90 S91 D92 H94 F95 V618
BS18 CLA aB P94 H95 P93 H94
BS19 CLA aB F47 F51 A152 L155 H156 F161 W167 F46 F50 A151 L154 H155 F160 W166
BS20 CLA aB F47 H50 F51 W167 R174 H177 H178 L182 F183 F46 H49 F50 W166 R173 H176 H177 L181 F182
BS21 CLA aB Q127 G128 M129 G138 F141 A189 W190 H193 H196 V197 W209 F212 Q126 G127 M128 G137 F140 A188 W189 H192 H195 V196 W208 F211
BS22 CLA aB L188 V195 H196 A216 P217 L222 L187 V194 H195 A215 P216 L221
BS23 CLA aB W230 G231 T234 T256 F257 H275 L278 A279 W229 G230 T233 T255 F256 H274 L277 A278
BS24 CLA aB F257 H276 H351 W500 F256 H275 H321 W470
BS25 CLA aB Q127 W190 I273 H276 H277 I280 F284 I344 V348 H351 P357 Y358 Q126 W189 I272 H275 H276 I279 F283 I314 V318 H321 P327 Y328
BS26 CLA aB V343 S346 L347 Q376 M383 T534 V313 S316 L317 Q346 M353 T504
BS27 CLA aB V343 L347 H351 S354 F512 V313 L317 H321 S324 F482
BS28 CLA aB W60 S118 H374 Y377 I721 I729 W59 S117 H344 Y347 I691 I699
BS29 CLA aB W60 W123 T185 S186 T345 V348 M352 Y358 L371 H374 H375 I378 W59 W122 T184 S185 T315 V318 M322 Y328 L341 H344 H345 I348
BS30 CLA aB A26 N29 D30 H331 L334 L338 F381 G385 H389 I392 Y558 W576 F579 V718 A25 N28 D29 H301 L304 L308 F351 G355 H359 I362 Y528 W546 F549 V688
BS31 CLA aB A417 H421 W424 A387 H391 W394
BS32 CLA aB W424 F428 H432 W394 F398 H402
BS33 CLA aB G435 V438 H439 K451 G405 V408 H409 K421
BS34 CLA aB W462 I463 V466 H467 T485 W496 W500 W432 I433 V436 H437 T455 W466 W470
BS35 CLA aB I484 A488 Q493 W496 I454 A458 Q463 W466
BS36 CLA aB Y353 I463 Q464 F512 H523 I526 T593 Y596 W597 Y323 I433 Q434 F482 H493 I496 T563 Y566 W567
BS37 CLA aB F428 L429 P457 V458 F459 A460 F520 H523 H524 F398 L399 P427 V428 F429 A430 F490 H493 H494
BS38 CLA aB L422 H531 L392 H501
BS39 CLA aB T18 R695 W696 K697 P700 T17 R665 W666 K667 P670
BS40 CLA aB W22 F655 I659 F666 L703 V711 H715 W21 F625 I629 F636 L673 V681 H685
BS41 PQN aB W22 M665 S669 W670 R671 W674 A702 L703 A708 W21 M635 S639 W640 R641 W644 A672 L673 A678
BS42 CLA aB F459 W462 F429 W432
BS43 CLA aB L690 A691 L660 A661
Gene Ontology
Molecular Function
GO:0000287 magnesium ion binding
GO:0009055 electron transfer activity
GO:0016168 chlorophyll binding
GO:0016491 oxidoreductase activity
GO:0046872 metal ion binding
GO:0051539 4 iron, 4 sulfur cluster binding
Biological Process
GO:0015979 photosynthesis
Cellular Component
GO:0009522 photosystem I
GO:0009579 thylakoid
GO:0009842 cyanelle
GO:0016020 membrane
GO:0033115 cyanelle thylakoid membrane
GO:0042651 thylakoid membrane

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:7dr2, PDBe:7dr2, PDBj:7dr2
PDBsum7dr2
PubMed
UniProtP48113|PSAB_CYAPA Photosystem I P700 chlorophyll a apoprotein A2 (Gene Name=psaB)

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